uxcell a14061700ux0913 0.1-3 L/Minutes 1.2 mPa 7 mm Water Flow Hall Sensor Meter for Coffer Maker

let's take a look at how we would measure the flow of water say you have a hydroponics project or other lab experiment and you don't need very precise readings this is not going to get you as accurate reading of dosing say like a peristaltic pump would do but this one actually does quite well if you can see inside I know it's really hard there's a little water wheel in there and there's a magnet and a Hall effect sensor in here and every time that wheel spins the sensor triggers a high or low and that makes it really easy to work with but it also makes it a little inaccurate so basically every time the sensor in here is triggered it's the equivalent of about two and a quarter mils so let's hook it up this is easily done by simply connecting if I look underneath this little bit of rubber here there's a red and red goes to five volts fact I don't even need a breadboard for this one and ag